metric conversions - unit fraction method
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Uploader Comments (robichaudd)
Top Comments
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Thank you so much, both your shortcut video, and conversions video was very helpful :) i wish you were my teacher!
5 months ago 3
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wow you explained this 10x better than my teacher
5 months ago 2
All Comments (26)
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i want that pen
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good job
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I still don't understand because my teacher says stuff like 2-5 step problems when you do like more conversions. But i never know when to do the 2 step etc problems except the obvious one second hours and days. Please help i got a test tomorrow
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In chemistry it is called dynamic analysis... If I had seen this about two weeks ago I know I would have done better. I thought I needed to retake my math class because I was not catching this.. and high school was over 12 yrs. ago for me. They didn't teach like this!! How I wish they would have. Thank you for being more specific in your teachings.
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@freddyjr2707 sameeee
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I wish I could print that neat. :(
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how will we know the right fraction to use ?
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Why make something that is so easy to calculate into something so convoluted and difficult? All you need to know is there are 100 centi(units) in a (unit) - why on earth would you want or need to convert it into a fraction first?
7 x 100 = 700: even my six year old can do that maths! My word, is it any wonder Americans dislike metric if they have to learn it like this?
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where did 1 came from ?
how do i know what goes up & what goes bottom ?
Im stiill confused :(
9578755 1 year ago
@9578755 The 1 is there because we're saying that the numerator and denominator are equivalent. For example, 1 meter is the same as 100 centimeters, so the unit fraction for meter and centimeter is 1m/100cm. Sometimes you'd write it flipped, as 100cm/1m. Always put the unit you want to end up with on top (the bottom one will cancel). For example, to convert 7m to cm, write 7m x 100cm/1m, so the meters cancel out and you're left with 7(100)cm, or 700cm.
robichaudd 1 year ago
You're right, no calculations needed. Just move the decimal position. (For L to mL move right, not left, because mL is smaller than L so you should end up with more of it.)
robichaudd 3 years ago